Table comparing syntax and features commonly used in Java, Python, and JavaScript.

Java	Python	JavaScript
`public class`	`class`	`class`
`class`	`class`	`class`
`public static void main(String[] args)`	`def main():`	`function main()`
`System.out.println()`	`print()`	`console.log()`
`int`	`int`	`number`
`double`	`float`	`number`
`boolean`	`bool`	`boolean`
`char`	`str`	`string`
`String`	`str`	`string`
`true`/`false`	`True`/`False`	`true`/`false`
`null`	`None`	`null`
`void`	-	`undefined`
`import`	`import`	`import`
`subclass name extends Parent Class Name`	`subclass name(Parent Class Name)`	`subclass name extends Parent Class Name`
`implements`	-	-
`try { } catch (Exception e) { }`	`try: except Exception:`	`try { } catch (e) { }`
`switch (x) { case 0: break; }`	`if x == 0:`	`switch (x) { case 0: break; }`
`for (int i = 0; i < 10; i++) { }`	`for i in range(10):`	`for (let i = 0; i < 10; i++) { }`
`while (true) { }`	`while True:`	`while (true) { }`
`do { } while (true);`	-	`do { } while (true);`
`break`	`break`	`break`
`continue`	`continue`	`continue`
`return`	`return`	`return`